Home / 28,191.02-38,904.23-16,091.27

Finding the Fourth Proportional to 28,191.02, 38,904.23 and 16,091.27

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Solution

The fourth proportional to 28,191.02, 38,904.23 and 16,091.27 is: 22,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.02 : 38,904.23 = 16,091.27 : x
  2. Step 2: Convert to fraction form
    28,191.02/38,904.23 = 16,091.27/x
  3. Step 3: Cross multiply
    28,191.02x = 38,904.23 × 16,091.27
  4. Step 4: Simplify right side
    28,191.02x = 626,018,469.07
  5. Step 5: Solve for x
    x = 626,018,469.07/28,191.02
  6. Step 6: Final answer
    x = 22,206.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.